Double doors are often solid wood. If they have glass inserts, they don't take up the entirety of the door like French doors. Related: Woman Couldn't Decide Between a French, Barn or Bifold Door so ...
Panda Windows & Doors’ custom-made bifold glass doors are now available in more styles for Dallas homeowners to choose from.
The glass is covered by a 20-year limited warranty. French patio doors attach to either side of the door frame with hinges.